| Impact ID | 4588 |
| Impact Type | Infrastructure |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Phalaris arundinacea grows on waterlines, causing sediment deposition; this in turn causes silting in irrigation canals, impeding water flow. |
| Reference | 36927 |
| Great Lakes Region | No |
| Cost | |
| Location | Western United States |
